CVE-2026-12669
Received Received - Intake

Authenticated Out-of-Bounds Read in IBM MQ via Malformed Compressed Data

Publication date: 2026-10-19

Last updated on: 2026-10-19

Assigner: IBM Corporation

Description
IBM MQ could allow an authenticated attacker to trigger a minor out-of-bounds read when sending malformed compressed data, though the data is not disclosed and the request is rejected.

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Meta Information

Published
2026-10-19
Last Modified
2026-10-19
Generated
2026-10-19
AI Q&A
2026-10-19
EPSS Evaluated
N/A
NVD
CVE-2026-12669
EUVD
EUVD-2026-104464

Affected Vendors & Products

Showing 89 associated CPEs
Vendor Product Version / Range
IBM MQ Operator 3.2.0
IBM MQ Operator 3.3.0
IBM MQ Operator 3.4.1
IBM MQ Operator 3.5.0
IBM MQ Operator 3.5.1
IBM MQ Operator 3.6.0
IBM MQ Operator 3.7.0
IBM MQ Operator 3.8.0
IBM MQ Operator 3.8.1
IBM MQ Operator 3.9.0
IBM MQ Operator 3.9.1
IBM MQ Operator 3.9.2
IBM MQ Operator 4.0.0
IBM MQ Operator 4.0.1
IBM MQ Operator 4.0.2
IBM MQ Operator 4.0.3
IBM MQ Operator 4.0.4
IBM MQ Operator 2.0.0
IBM MQ Advanced container images 9.4.0.6-r1
IBM MQ Advanced container images 9.4.0.6-r2
IBM MQ Advanced container images 9.4.0.7-r1
IBM MQ Advanced container images 9.4.0.10-r1
IBM MQ Advanced container images 9.4.0.10-r2
IBM MQ Advanced container images 9.4.0.11-r1
IBM MQ Advanced container images 9.4.0.11-r2
IBM MQ Advanced container images 9.4.0.11-r3
IBM MQ Advanced container images 9.4.0.12-r1
IBM MQ Advanced container images 9.4.0.15-r1
IBM MQ Advanced container images 9.4.0.16-r1
IBM MQ Advanced container images 9.4.0.16-r2
IBM MQ Advanced container images 9.4.0.17-r1
IBM MQ Advanced container images 9.4.0.17-r2
IBM MQ Advanced container images 9.4.0.20-r1
IBM MQ Advanced container images 9.4.0.21-r1
IBM MQ Advanced container images 9.4.0.21-r2
IBM MQ Advanced container images 9.4.0.25-r1
IBM MQ Advanced container images 9.4.0.26-r1
IBM MQ Advanced container images 9.4.1.0-r1
IBM MQ Advanced container images 9.4.1.0-r2
IBM MQ Advanced container images 9.4.1.1-r1
IBM MQ Advanced container images 9.4.2.0-r1
IBM MQ Advanced container images 9.4.2.0-r2
IBM MQ Advanced container images 9.4.2.1-r1
IBM MQ Advanced container images 9.4.2.1-r2
IBM MQ Advanced container images 9.4.3.0-r1
IBM MQ Advanced container images 9.4.3.0-r2
IBM MQ Advanced container images 9.4.3.1-r1
IBM MQ Advanced container images 9.4.4.0-r1
IBM MQ Advanced container images 9.4.4.1-r1
IBM MQ Advanced container images 9.4.5.0-r1
IBM MQ Advanced container images 9.4.5.0-r2
IBM MQ Advanced container images 9.4.5.1-r1
IBM MQ Advanced container images 10.0.0.0-r1
IBM MQ Advanced container images 10.0.0.5-r1
IBM MQ Advanced container images 9.3.0.0-r1
IBM MQ Advanced container images 9.3.0.0-r2
IBM MQ Advanced container images 9.3.0.0-r3
IBM MQ Advanced container images 9.3.0.1-r1
IBM MQ Advanced container images 9.3.0.1-r2
IBM MQ Advanced container images 9.3.0.1-r3
IBM MQ Advanced container images 9.3.0.1-r4
IBM MQ Advanced container images 9.3.0.3-r1
IBM MQ Advanced container images 9.3.0.4-r1
IBM MQ Advanced container images 9.3.0.4-r2
IBM MQ Advanced container images 9.3.0.5-r1
IBM MQ Advanced container images 9.3.0.5-r2
IBM MQ Advanced container images 9.3.0.5-r3
IBM MQ Advanced container images 9.3.0.6-r1
IBM MQ Advanced container images 9.3.0.10-r1
IBM MQ Advanced container images 9.3.0.10-r2
IBM MQ Advanced container images 9.3.0.11-r1
IBM MQ Advanced container images 9.3.0.11-r2
IBM MQ Advanced container images 9.3.0.15-r1
IBM MQ Advanced container images 9.3.0.16-r1
IBM MQ Advanced container images 9.3.0.16-r2
IBM MQ Advanced container images 9.3.0.17-r1
IBM MQ Advanced container images 9.3.0.17-r2
IBM MQ Advanced container images 9.3.0.17-r3
IBM MQ Advanced container images 9.3.0.20-r1
IBM MQ Advanced container images 9.3.0.20-r2
IBM MQ Advanced container images 9.3.0.21-r1
IBM MQ Advanced container images 9.3.0.21-r2
IBM MQ Advanced container images 9.3.0.21-r3
IBM MQ Advanced container images 9.3.0.25-r1
IBM MQ Advanced container images 9.4.0.0-r1
IBM MQ Advanced container images 9.4.0.0-r2
IBM MQ Advanced container images 9.4.0.0-r3
IBM MQ Advanced container images 9.4.0.5-r1
IBM MQ Advanced container images 9.4.0.5-r2

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability in IBM MQ allows an authenticated attacker to send malformed compressed data that triggers a minor out-of-bounds read. The system detects the issue, rejects the request, and does not disclose any data.

Impact Analysis

The impact is limited. It may cause a denial of service by rejecting valid requests due to the malformed data. No data exposure or privilege escalation occurs.

Mitigation Strategies

Apply the latest IBM MQ security patches or updates as soon as they are available to address the out-of-bounds read issue in compressed data handling.

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